243521880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{1213}}^1$

素因数の和:1473

約数の個数: 128

約数和(自身を含む): 839116800

約数和(自身を除く): 595594920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 239, 280, 420, 478, 717, 840, 956, 1195, 1213, 1434, 1673, 1912, 2390, 2426, 2868, 3346, 3585, 3639, 4780, 4852, 5019, 5736, 6065, 6692, 7170, 7278, 8365, 8491, 9560, 9704, 10038, 12130, 13384, 14340, 14556, 16730, 16982, 18195, 20076, 24260, 25095, 25473, 28680, 29112, 33460, 33964, 36390, 40152, 42455, 48520, 50190, 50946, 66920, 67928, 72780, 84910, 100380, 101892, 127365, 145560, 169820, 200760, 203784, 254730, 289907, 339640, 509460, 579814, 869721, 1018920, 1159628, 1449535, 1739442, 2029349, 2319256, 2899070, 3478884, 4058698, 4348605, 5798140, 6088047, 6957768, 8117396, 8697210, 10146745, 11596280, 12176094, 16234792, 17394420, 20293490, 24352188, 30440235, 34788840, 40586980, 48704376, 60880470, 81173960, 121760940, 243521880]

約数ペア:

[(1, 243521880), (2, 121760940), (3, 81173960), (4, 60880470), (5, 48704376), (6, 40586980), (7, 34788840), (8, 30440235), (10, 24352188), (12, 20293490), (14, 17394420), (15, 16234792), (20, 12176094), (21, 11596280), (24, 10146745), (28, 8697210), (30, 8117396), (35, 6957768), (40, 6088047), (42, 5798140), (56, 4348605), (60, 4058698), (70, 3478884), (84, 2899070), (105, 2319256), (120, 2029349), (140, 1739442), (168, 1449535), (210, 1159628), (239, 1018920), (280, 869721), (420, 579814), (478, 509460), (717, 339640), (840, 289907), (956, 254730), (1195, 203784), (1213, 200760), (1434, 169820), (1673, 145560), (1912, 127365), (2390, 101892), (2426, 100380), (2868, 84910), (3346, 72780), (3585, 67928), (3639, 66920), (4780, 50946), (4852, 50190), (5019, 48520), (5736, 42455), (6065, 40152), (6692, 36390), (7170, 33964), (7278, 33460), (8365, 29112), (8491, 28680), (9560, 25473), (9704, 25095), (10038, 24260), (12130, 20076), (13384, 18195), (14340, 16982), (14556, 16730)]